<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div class="container">
        <div class="leftarea">
            <div class="checkimgcontainer">
                <img src="./images/imgA_2.jpg">
                <div class="mask"></div>
            </div>
            <div class="imglist">
                <ul>
                    <li class="imgsmallitem">
                        <img src="./images/" alt="">
                    </li>
                </ul>
            </div>
        </div>
    </div>
</body>
</html>